@font-face { font-family: Fraunces; font-style: normal; font-weight: 400 600; font-display: swap; src: url('./fonts/fraunces-latin.woff2') format('woff2'); }
@font-face { font-family: Inter; font-style: normal; font-weight: 400 700; font-display: swap; src: url('./fonts/inter-latin.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 600; font-display: swap; src: url('./fonts/jetbrains-mono-latin.woff2') format('woff2'); }

:root {
  color-scheme: dark;
  --bg: #1b1914;
  --panel: #221e18;
  --panel-2: #2b261e;
  --rule: #3d352a;
  --ink: #ede3cc;
  --ink-2: #b9ad91;
  --ink-3: #7f7562;
  --gold: #d4b870;
  --gold-2: #a88d4a;
  --alert: #efa78e;
  --ok: #9ebd87;
  --serif: Fraunces, 'Iowan Old Style', Georgia, serif;
  --sans: Inter, 'Segoe UI', Arial, sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
  --wrap: min(1240px, calc(100vw - 64px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
button, input { font: inherit; }
button { cursor: pointer; color: inherit; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; }
a { color: inherit; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; margin: 0; }
p { margin: 0; }

.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; background: var(--panel); color: var(--gold); padding: 10px 16px; border: 1px solid var(--gold); border-radius: 3px; }
.skip-link:focus { top: 12px; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 32px; background: var(--panel); border-bottom: 1px solid var(--rule); }
.wordmark { font: 500 21px/1 var(--serif); color: var(--ink); text-decoration: none; }
.topnav { display: flex; gap: 22px; font-size: 13px; }
.topnav a { color: var(--ink-2); text-decoration: none; padding: 4px 0; }
.topnav a:hover { color: var(--gold); }

.hero { display: grid; grid-template-columns: minmax(380px, 440px) minmax(0, 1fr); min-height: min(calc(100svh - 47px), 860px); border-bottom: 1px solid var(--rule); }
.menu-panel { display: flex; flex-direction: column; padding: 28px 40px 22px; background: var(--panel); border-right: 1px solid var(--rule); }
.brand { font-size: 60px; line-height: .95; letter-spacing: -1px; }
.motto { font: 400 21px/1.35 var(--serif); color: var(--gold); margin-top: 12px; }
.tagline { color: var(--ink-2); margin-top: 12px; max-width: 36ch; }
.byline { font: 400 15px/1.5 var(--serif); color: var(--ink); margin-top: 10px; }
.save-summary { display: flex; gap: 10px; margin-top: 14px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 4px; background: var(--panel-2); }
.save-indicator { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex-shrink: 0; margin-top: 8px; }
.save-summary strong { font: 500 15px/1.4 var(--serif); color: var(--ink); }
.save-summary p { font: 12px/1.6 var(--mono); color: var(--ink-2); margin-top: 2px; }
.menu { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.menu button { display: grid; gap: 1px; width: 100%; text-align: left; padding: 8px 16px; background: var(--panel-2); border: 1px solid var(--rule); border-radius: 4px; color: var(--ink); transition: border-color .15s, background-color .15s; }
.menu button > span { font: 500 18px/1.35 var(--serif); }
.menu button > small { font-size: 12.5px; color: var(--ink-2); }
.menu button:hover:not(:disabled) { border-color: var(--gold-2); }
.menu .primary button { background: #3a301f; border-color: var(--gold-2); }
.menu .primary button > span { color: var(--gold); }
.menu .primary button:hover:not(:disabled) { border-color: var(--gold); background: #42361f; }
.menu button:disabled { opacity: .5; }
.landing-status { color: var(--ink-2); font-size: 13px; line-height: 1.55; margin-top: 12px; }
.landing-status.error { color: var(--alert); }
.text-link { align-self: flex-start; background: none; border: 0; color: var(--gold); text-decoration: underline; text-decoration-color: #a88d4a99; text-underline-offset: 3px; padding: 6px 0 0; font-size: 13px; }
.platform-note { margin-top: auto; padding-top: 14px; font-size: 13px; color: var(--ink-2); }
.platform-note a { color: var(--gold); text-underline-offset: 3px; }

.coupe { position: relative; margin: 0; overflow: hidden; background: #110f0b; isolation: isolate; }
.coupe-art { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.layer { transition: opacity .25s; animation: deposit .8s cubic-bezier(.2, .7, .2, 1) backwards; animation-delay: calc(var(--i) * 120ms + 60ms); }
@keyframes deposit { from { opacity: 0; transform: translateY(-18px); } }
.coupe:has(.stratum:is(:hover, :focus-visible)) .layer { opacity: .35; }
.coupe:has(.s-stone:is(:hover, :focus-visible)) .l-stone,
.coupe:has(.s-bronze:is(:hover, :focus-visible)) .l-bronze,
.coupe:has(.s-iron:is(:hover, :focus-visible)) .l-iron,
.coupe:has(.s-renaissance:is(:hover, :focus-visible)) .l-renaissance,
.coupe:has(.s-industrial:is(:hover, :focus-visible)) .l-industrial,
.coupe:has(.s-modern:is(:hover, :focus-visible)) .l-modern,
.coupe:has(.s-space:is(:hover, :focus-visible)) .l-space { opacity: 1; }
.cartouche { position: absolute; z-index: 2; top: 22px; right: 24px; width: min(340px, calc(100% - 48px)); padding: 13px 17px 14px; background: #1b1914e0; border: 1px solid var(--rule); border-radius: 4px; }
.cartouche h2 { font-size: 21px; line-height: 1.2; }
.cartouche p { margin-top: 6px; font-size: 13.5px; line-height: 1.55; color: var(--ink-2); }
.cartouche .hint { margin-top: 4px; font-size: 12.5px; color: var(--ink-3); }
.column { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; z-index: 1; }
.column::before { content: ''; position: absolute; left: 47px; top: 0; bottom: 0; width: 1px; background: #ede3cc26; }
.stratum { position: absolute; left: 0; right: 0; }
.stratum:focus-visible { outline: none; }
.s-space { top: 0; height: 22.8%; }
.s-modern { top: 22.8%; height: 8.6%; }
.s-industrial { top: 31.4%; height: 12.2%; }
.s-renaissance { top: 43.6%; height: 12.9%; }
.s-iron { top: 56.5%; height: 13.6%; }
.s-bronze { top: 70.1%; height: 11.8%; }
.s-stone { top: 81.9%; height: 18.1%; }
.stratum .no { position: absolute; left: 28px; top: 50%; transform: translateY(-50%); min-width: 39px; padding: 5px 6px; background: #1b1914d0; border: 1px solid var(--rule); border-radius: 3px; font: 500 13px/1 var(--mono); color: var(--ink-2); text-align: center; transition: color .15s, border-color .15s; }
.stratum.playable .no { color: var(--gold); border-color: #a88d4a99; }
.stratum.future .no { border-style: dashed; color: var(--ink-3); }
.stratum.building .no { border-style: dashed; border-color: #a88d4a99; }
.stratum:is(:hover, :focus-visible) .no { color: var(--bg); background: var(--gold); border-color: var(--gold); }
.stratum:focus-visible .no { outline: 2px solid var(--ink); outline-offset: 2px; }
.tag { position: absolute; left: 82px; top: 50%; z-index: 3; display: grid; grid-template-columns: auto auto; align-items: center; column-gap: 18px; min-width: 260px; padding: 11px 15px 12px; background: #1b1914f2; border: 1px solid var(--rule); border-left: 3px solid var(--gold-2); border-radius: 4px; box-shadow: 0 12px 32px #00000073; opacity: 0; transform: translate(-6px, -50%); transition: opacity .18s, transform .18s; pointer-events: none; }
.stratum:is(:hover, :focus-visible) .tag { opacity: 1; transform: translate(0, -50%); }
.tag h3 { font-size: 25px; line-height: 1.15; }
.tag h3 small { margin-left: 4px; font: 400 15px var(--serif); color: var(--ink-2); }
.tag .verb { grid-column: 1 / -1; margin-top: 3px; font-size: 14.5px; color: var(--ink); }
.tag .state { grid-row: 1; grid-column: 2; justify-self: end; padding: 5px 8px; border: 1px solid var(--gold-2); border-radius: 3px; font: 500 12px/1 var(--sans); color: var(--gold); white-space: nowrap; }
.building .tag { border-left-style: dashed; }
.building .tag .state { border-style: dashed; }
.future .tag { border-left-color: var(--ink-3); }
.future .tag .state { border-color: var(--rule); color: var(--ink-2); }

.pitch { width: var(--wrap); margin: 0 auto; padding: 72px 0 24px; }
.pitch p { font: 400 clamp(21px, 2.1vw, 28px)/1.5 var(--serif); max-width: 46ch; color: var(--ink); }

.section-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px 32px; padding-bottom: 14px; margin-bottom: 32px; border-bottom: 1px solid var(--rule); }
.section-head h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.15; }
.section-head p { color: var(--ink-2); font-size: 14px; max-width: 52ch; }

.island { width: var(--wrap); margin: 0 auto; padding: 56px 0 24px; }
.veins { display: grid; }
.vein { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 14px 56px; align-items: start; padding: 26px 0 28px; border-top: 1px solid var(--rule); }
.vein:first-child { padding-top: 2px; border-top: 0; }
.vein-text h3 { font-size: 26px; line-height: 1.2; }
.vein-text p { margin-top: 10px; color: var(--ink-2); max-width: 60ch; }
.facets { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 8px; }
.facets li { position: relative; padding-left: 22px; font-size: 14.5px; }
.facets li::before { content: ''; position: absolute; left: 0; top: .62em; width: 12px; height: 5px; border-radius: 1px; background: linear-gradient(180deg, var(--gold) 0 40%, var(--gold-2) 40% 70%, #6b5a36 70%); }


.play { width: var(--wrap); margin: 72px auto 0; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: center; padding: 36px 40px; background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; }
.play h2 { font-size: clamp(25px, 2.4vw, 30px); line-height: 1.2; }
.play-text p { margin-top: 12px; color: var(--ink-2); max-width: 60ch; }
.play-links { display: grid; gap: 10px; }
.play-links > * { display: grid; gap: 2px; padding: 14px 18px; border: 1px solid var(--rule); border-radius: 4px; background: var(--panel-2); text-decoration: none; transition: border-color .15s; }
.play-links > * span { font: 500 18px/1.3 var(--serif); color: var(--ink); }
.play-links > * small { font-size: 13px; color: var(--ink-2); }
.play-links > a:hover { border-color: var(--gold-2); }
.play-links .windows-link { border-color: var(--gold-2); background: #3a301f; }
.play-links .windows-link span { color: var(--gold); }

.genese { width: var(--wrap); margin: 0 auto; padding: 80px 0 72px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; }
.genese h2 { font-size: clamp(28px, 3vw, 36px); }
.fda-link { display: flex; align-items: center; gap: 16px; margin-top: 22px; text-decoration: none; color: var(--ink-2); }
.fda-link img { width: 72px; height: 72px; border-radius: 5px; border: 1px solid var(--rule); flex-shrink: 0; }
.fda-link strong { color: var(--gold); font-weight: 500; }
.fda-link:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.author-word { margin: 32px 0 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--gold-2); }
.author-word p { font: 400 20px/1.6 var(--serif); color: var(--ink); }
.author-word footer { margin-top: 12px; font-size: 13.5px; color: var(--ink-2); }
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 170px; top: 10px; bottom: 10px; width: 1px; background: var(--rule); }
.timeline li { position: relative; display: grid; grid-template-columns: 170px minmax(0, 1fr); column-gap: 28px; padding: 0 0 22px; }
.timeline li::after { content: ''; position: absolute; left: 167px; top: 8px; width: 7px; height: 7px; border-radius: 1px; background: var(--gold-2); }
.timeline li:last-child::after { background: var(--gold); box-shadow: 0 0 0 3px #d4b87033; }
.timeline time { grid-row: span 2; font: 500 13px/1.75 var(--mono); color: var(--gold); text-align: right; padding-right: 14px; }
.timeline h3 { font-size: 19px; line-height: 1.35; padding-left: 4px; }
.timeline p { color: var(--ink-2); font-size: 14.5px; padding-left: 4px; }

.site-foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 24px; padding: 22px 32px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--ink-2); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--gold); }

dialog { width: min(540px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); overflow: auto; background: var(--panel-2); color: var(--ink); border: 1px solid var(--gold-2); border-radius: 6px; padding: 30px; box-shadow: 0 24px 80px #0008; }
dialog::backdrop { background: #100d09c4; }
.dialog-kicker { font: 500 13px/1.4 var(--sans); color: var(--gold); margin-bottom: 10px; }
dialog h2 { font-size: 27px; line-height: 1.2; margin-bottom: 12px; padding-right: 24px; }
dialog > p#dialog-description { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }
.dialog-error { color: var(--alert); font-size: 14px; margin-top: 12px; }
.dialog-close { position: absolute; top: 10px; right: 14px; border: 0; background: none; color: var(--ink-2); font-size: 26px; line-height: 1; padding: 4px; }
.dialog-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.dialog-actions button { min-height: 40px; border: 1px solid var(--gold-2); background: #3a301f; color: var(--gold); font-size: 13.5px; padding: 9px 14px; border-radius: 4px; }
.dialog-actions .secondary { background: transparent; color: var(--ink-2); border-color: var(--rule); }
.dialog-actions button:hover:not(:disabled) { border-color: var(--gold); color: var(--ink); }
.dialog-actions button:disabled { opacity: .55; }

@media (min-width: 1800px) {
  :root { --wrap: min(1320px, calc(100vw - 96px)); }
  .hero { grid-template-columns: 480px minmax(0, 1fr); }
}
@media (min-width: 1600px) {
  .veins { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: auto auto; column-gap: 56px; }
  .vein { grid-row: span 2; grid-template-columns: minmax(0, 1fr); grid-template-rows: subgrid; row-gap: 0; padding: 0; border-top: 0; }
  .vein:first-child { padding-top: 0; }
  .facets { margin-top: 12px; }
}
@media (max-width: 1100px) {
  .timeline::before { left: 130px; }
  .timeline li { grid-template-columns: 130px minmax(0, 1fr); }
  .timeline li::after { left: 127px; }
}
@media (max-width: 900px) {
  :root { --wrap: calc(100vw - 40px); }
  .topbar { padding: 12px 20px; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .menu-panel { border-right: 0; padding: 30px 20px 26px; }
  .coupe { height: 560px; border-top: 1px solid var(--rule); }
  .cartouche { top: 14px; right: 16px; left: 16px; width: auto; }
  .platform-note { margin-top: 16px; }
  .vein, .play, .genese { grid-template-columns: 1fr; }
  .play { padding: 26px 22px; gap: 22px; }
  .genese { gap: 40px; padding: 64px 0 56px; }
}
@media (max-width: 560px) {
  :root { --wrap: calc(100vw - 32px); }
  body { font-size: 15px; }
  .topbar { padding: 11px 16px; gap: 10px; }
  .wordmark { font-size: 19px; }
  .topnav { gap: 14px; font-size: 13px; }
  .topnav a[href="#jouer"] { display: none; }
  .menu-panel { padding: 26px 16px 24px; }
  .brand { font-size: 52px; }
  .motto { font-size: 19px; }
  .pitch { padding: 48px 0 8px; }
  .island { padding-top: 44px; }
  .section-head { margin-bottom: 20px; }
  .vein-text h3 { font-size: 24px; }
  .tag { min-width: 0; max-width: calc(100vw - 110px); }
  .play { margin-top: 56px; padding: 22px 16px; }
  .timeline::before { left: 3px; }
  .timeline li { grid-template-columns: 1fr; padding: 0 0 20px 24px; }
  .timeline li::after { left: 0; top: 7px; }
  .timeline time { grid-row: auto; text-align: left; padding: 0; }
  .timeline h3, .timeline p { padding-left: 0; }
  .author-word p { font-size: 18px; }
  .site-foot { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
 .landing-language { display: flex; align-items: center; gap: 8px; color: #b9ad91; font: 12px Inter, sans-serif; }
 .landing-language select { color: #ede3cc; background: #221e18; border: 1px solid #3d352a; border-radius: 4px; padding: 5px 8px; font: inherit; }